Rc@ sedZddlmZddlZddlZddlmZmZddl m Z m Z m Z ddl mZmZddlmZddlmZdd lmZmZmZmZmZdd lmZdd lmZdd lmZm Z dd l!m"Z#ddlm$Z$dZ%dZ&de fdYZ"dZ'dZ(de fdYZ)dS(s An agg http://antigrain.com/ backend Features that are implemented * capstyles and join styles * dashes * linewidth * lines, rectangles, ellipses * clipping to a rectangle * output to RGBA and PNG * alpha blending * DPI scaling properly - everything scales properly (dashes, linewidths, etc) * draw polygon * freetype2 w/ ft2font TODO: * integrate screen dpi w/ ppi and text i(tdivisionN(tverbosetrcParams(t RendererBasetFigureManagerBasetFigureCanvasBase(tis_string_liketmaxdict(tFigure(tfindfont(tFT2FonttLOAD_FORCE_AUTOHINTtLOAD_NO_HINTINGt LOAD_DEFAULTtLOAD_NO_AUTOHINT(tMathTextParser(tPath(tBboxtBboxBase(t RendererAgg(t_pngsv2.2cC s<itt6tt6td6td6td6td6}|tdS(Nteithertnativetautotnones text.hinting(R tTrueR tFalseR RR(tmapping((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pytget_hinting_flag+s RcB seZdZdZejZedZdZ dZ dZ dZ dZ ddZd Zedd Zd Zd dd ZdZdZdZdZdZdZdZdZdZdddZdZdZ RS(s The renderer handles all the drawing primitives using a graphics context instance that controls the colors/styles ii2cC stjddtj|td|_||_||_||_tjd||fdt t |t ||dt |_ g|_ tjdd|jtd|_tjdd|j|j|_tjd ddS( NsRendererAgg.__init__sdebug-annoyingi2s(RendererAgg.__init__ width=%s, height=%stdebugs&RendererAgg.__init__ _RendererAgg donetAggisRendererAgg.__init__ done(RtreportRt__init__Rttexdtdpitwidththeightt _RendererAggtintRt _renderert_filter_rendererst_update_methodsRtmathtext_parserRt from_boundstbbox(tselfR#R$R"((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyR Ks     '   ! cC stdrtStSdS(Ns text.hinting(RR R (R-((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyt_get_hinting_flagas cO s|jj||S(N(R't draw_markers(R-tkltkw((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyR/iscO s|jj||S(N(R'tdraw_path_collection(R-R0R1((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyR2lscC s^|jj|_|jj|_|jj|_|jj|_|jj|_|jj|_dS(N(R'tdraw_quad_meshtdraw_gouraud_triangletdraw_gouraud_trianglest draw_imagetcopy_from_bboxttostring_rgba_minimized(R-((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyR)os cC std}|jjd}|dkrg||krg|jrg|dkrg|jdkrgtj|t|}t tj||}tj d||} tj | } | dd| d*|| d Draw the math text using matplotlib.mathtext sRendererAgg.draw_mathtextsdebug-annoyingiN( RRR*tparseR"R>tsintdeg2radtcostroundR'tdraw_text_image(R-RGtxtytstproptangletoxtoyR#R$tdescentt font_imagetused_characterstxdtyd((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyt draw_mathtexts 0c C sQtjdd|r2|j||||||St} |j|} | d krZd St|dkrt|dkr| jt|d| n| j |dd| | j dt d| j d } | t jt j|} | t jt j|} |jj| jt j|| t j|| d||d S( s! 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It simply create a new canvas (the old one is saved). N( R(tappendR'R%R&R#R$R"R)(R-((sY/opt/xtal/ccp4-6.5-linux32/lib/python2.7/site-packages/matplotlib/backends/backend_agg.pyt start_filterXscC s%ddlm}t|jt|j}}|jj\}}|\}}} } |jj|_|j | dkr!| dkr!t j |t j } || j | | dfd|j\} } } || d}|j|j}|jj||| ||| | |ndS(s Save the plot in the current canvas as a image and apply the *post_processing* function. def post_processing(image, dpi): # ny, nx, depth = image.shape # image (numpy array) has RGBA channels and has a depth of 4. ... # create a new_image (numpy array of 4 channels, size can be # different). 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